The point is that it's valuable for game developers to realize that some people can't play a game that requires javascript. The comment helped facilitate that.
Everyone can plan a game that requires javascript. A vanishingly small number of people actually wont. Reading anything more into this single comment is silly.
Game developers should learn that Amish people exist, at which point they're aware that all computer-related things will have people who choose to not them. They'll also learn that it's not a big deal.
